Home / 61,827.40-85,322.46-34,970.20

Finding the Fourth Proportional to 61,827.40, 85,322.46 and 34,970.20

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Solution

The fourth proportional to 61,827.40, 85,322.46 and 34,970.20 is: 48,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,827.40 : 85,322.46 = 34,970.20 : x
  2. Step 2: Convert to fraction form
    61,827.40/85,322.46 = 34,970.20/x
  3. Step 3: Cross multiply
    61,827.40x = 85,322.46 × 34,970.20
  4. Step 4: Simplify right side
    61,827.40x = 2,983,743,490.69
  5. Step 5: Solve for x
    x = 2,983,743,490.69/61,827.40
  6. Step 6: Final answer
    x = 48,259.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.